둘 means “two” . It is the native Korean number for 2 and is used for counting objects, people, and actions.
Examples of 둘 in sentences:
Counting objects or people:
사과 둘 주세요. → Please give me two apples.
친구 둘이 함께 왔어요. → Two friends came together.
Talking about choices:
둘 중에 하나 선택하세요. → Choose one of the two.
둘 다 좋아요. → Both are good.
Using 둘 in daily expressions:
우리는 둘이에요. → There are two of us.
둘이서 여행을 갔어요. → The two of us went on a trip.